[INFO] crate polyfuse 0.3.3 is already in cache
[INFO] checking polyfuse-0.3.3 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate polyfuse 0.3.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate polyfuse 0.3.3 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate polyfuse 0.3.3
[INFO] finished tweaking crates.io crate polyfuse 0.3.3
[INFO] tweaked toml for crates.io crate polyfuse 0.3.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cf73ca848b949cc0e7669f7c6d501a02dff7a59be68202f1b7385119113d946
[INFO] running `"docker" "start" "-a" "4cf73ca848b949cc0e7669f7c6d501a02dff7a59be68202f1b7385119113d946"`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking pulldown-cmark v0.4.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking polyfuse v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/init.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |     static ref PAGE_SIZE: usize = { unsafe { libc::sysconf(libc::_SC_PAGESIZE) as usize } };
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary braces around block return value
[INFO] [stderr]   --> src/init.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |     static ref PAGE_SIZE: usize = { unsafe { libc::sysconf(libc::_SC_PAGESIZE) as usize } };
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_braces)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `polyfuse`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4cf73ca848b949cc0e7669f7c6d501a02dff7a59be68202f1b7385119113d946"`
[INFO] running `"docker" "rm" "-f" "4cf73ca848b949cc0e7669f7c6d501a02dff7a59be68202f1b7385119113d946"`
[INFO] [stdout] 4cf73ca848b949cc0e7669f7c6d501a02dff7a59be68202f1b7385119113d946